Training, Installation & Service Manual - Livewire Connections Ltd

Interfaces of the SAILOR 900 VSAT ACU
4.1.6 ADU connector
There is just one cable from the ACU to the ADU. This is used to
power the ADU, supply 10 MHz clock, handle all communication
between ACU and ADU, and deliver the VSAT Rx and Tx signals.
Outline
(on the ACU)
Conductor
Inner
Outer
Pin function
DC to ADU
10 MHz clock to ADU
ACU to ADU internal communication
VSAT Rx/Tx
GND (Shield)
Table 4-2: N connector, outline and pin assignment
Important
Do not use TNC connectors on the ADU antenna cable
or on pigtails. TNC connectors cannot carry the DC
current for operating the ADU.
4.1.7 Rx/Tx connectors for VMU
Connect the Rx and Tx channels of the VMU to the Rx and Tx
connectors of the ACU with the 2 supplied Rx/Tx cables (75 Ohm
coax, F-F, 1 m).
Outline
(on the ACU)
Pin
number
Pin function
1 Inner conductor:
10 MHz clock, VSAT Rx/Tx
2 Outer conductor: GND (Shield)
Table 4-3: F connector, Rx and Tx, outline and pin assignment
For step-by-step guidelines how to set up the VSAT modem see
VMU settings requirements on page C-1.
4-4 Chapter 4: Interfaces 98-133966-E2